#ifndef Z64_AUDIO_H #define Z64_AUDIO_H #define MK_AUDIO_CMD(b0,b1,b2,b3) ((((b0) & 0xFF) << 0x18) | (((b1) & 0xFF) << 0x10) | (((b2) & 0xFF) << 0x8) | (((b3) & 0xFF) << 0)) #define NO_LAYER ((SequenceLayer*)(-1)) #define TATUMS_PER_BEAT 48 #define IS_SEQUENCE_CHANNEL_VALID(ptr) ((uintptr_t)(ptr) != (uintptr_t)&gAudioContext.sequenceChannelNone) #define MAX_CHANNELS_PER_BANK 3 #define ADSR_DISABLE 0 #define ADSR_HANG -1 #define ADSR_GOTO -2 #define ADSR_RESTART -3 #define AIBUF_LEN 0x580 typedef enum { /* 0 */ ADSR_STATE_DISABLED, /* 1 */ ADSR_STATE_INITIAL, /* 2 */ ADSR_STATE_START_LOOP, /* 3 */ ADSR_STATE_LOOP, /* 4 */ ADSR_STATE_FADE, /* 5 */ ADSR_STATE_HANG, /* 6 */ ADSR_STATE_DECAY, /* 7 */ ADSR_STATE_RELEASE, /* 8 */ ADSR_STATE_SUSTAIN } AdsrStatus; typedef enum { /* 0 */ MEDIUM_RAM, /* 1 */ MEDIUM_UNK1, /* 2 */ MEDIUM_CART, /* 3 */ MEDIUM_DISK_DRIVE, /* 4 */ MEDIUM_UNK4, /* 5 */ MEDIUM_UNK5 } SampleMedium; typedef enum { /* 0 */ CODEC_ADPCM, /* 1 */ CODEC_S8, /* 2 */ CODEC_S16_INMEMORY, /* 3 */ CODEC_SMALL_ADPCM, /* 4 */ CODEC_REVERB, /* 5 */ CODEC_S16 } SampleCodec; typedef enum { /* 0 */ SEQUENCE_TABLE, /* 1 */ FONT_TABLE, /* 2 */ SAMPLE_TABLE } SampleBankTableType; typedef enum { /* 0 */ CACHE_TEMPORARY, /* 1 */ CACHE_PERSISTENT, /* 2 */ CACHE_EITHER, /* 3 */ CACHE_PERMANENT } AudioCacheType; typedef enum { /* 0 */ OCARINA_SONG_SONATA, /* 1 */ OCARINA_SONG_GORON_LULLABY, /* 2 */ OCARINA_SONG_NEW_WAVE, /* 3 */ OCARINA_SONG_ELEGY, /* 4 */ OCARINA_SONG_OATH, /* 5 */ OCARINA_SONG_SARIAS, /* 6 */ OCARINA_SONG_TIME, /* 7 */ OCARINA_SONG_HEALING, /* 8 */ OCARINA_SONG_EPONAS, /* 9 */ OCARINA_SONG_SOARING, /* 10 */ OCARINA_SONG_STORMS, /* 11 */ OCARINA_SONG_SUNS, /* 12 */ OCARINA_SONG_INVERTED_TIME, /* 13 */ OCARINA_SONG_DOUBLE_TIME, /* 14 */ OCARINA_SONG_GORON_LULLABY_INTRO, /* 15 */ OCARINA_SONG_WIND_FISH_HUMAN, // "Ballad of the Wind Fish" /* 16 */ OCARINA_SONG_WIND_FISH_GORON, /* 17 */ OCARINA_SONG_WIND_FISH_ZORA, /* 18 */ OCARINA_SONG_WIND_FISH_DEKU, /* 19 */ OCARINA_SONG_EVAN_PART1, /* 20 */ OCARINA_SONG_EVAN_PART2, /* 21 */ OCARINA_SONG_ZELDAS_LULLABY, /* 22 */ OCARINA_SONG_SCARECROW, /* 23 */ OCARINA_SONG_TERMINA_WALL, /* 24 */ OCARINA_SONG_MAX, } OcarinaSongId; typedef enum { /* 0 */ OCARINA_BTN_A, /* 1 */ OCARINA_BTN_C_DOWN, /* 2 */ OCARINA_BTN_C_RIGHT, /* 3 */ OCARINA_BTN_C_LEFT, /* 4 */ OCARINA_BTN_C_UP, /* -1 */ OCARINA_BTN_INVALID = 0xFF } OcarinaButtonIdx; typedef enum { /* 0x0 */ NOTE_C4, /* 0x1 */ NOTE_DFLAT4, /* 0x2 */ NOTE_D4, /* 0x3 */ NOTE_EFLAT4, /* 0x4 */ NOTE_E4, /* 0x5 */ NOTE_F4, /* 0x6 */ NOTE_GFLAT4, /* 0x7 */ NOTE_G4, /* 0x8 */ NOTE_AFLAT4, /* 0x9 */ NOTE_A4, /* 0xA */ NOTE_BFLAT4, /* 0xB */ NOTE_B4, /* 0xC */ NOTE_C5, /* 0xD */ NOTE_DFLAT5, /* 0xE */ NOTE_D5, /* 0xF */ NOTE_EFLAT5, /* -1 */ NOTE_NONE = 0xFF } OcarinaNoteIdx; typedef s32 (*DmaHandler)(OSPiHandle* handle, OSIoMesg* mb, s32 direction); struct Note; struct NotePool; struct SequenceChannel; struct SequenceLayer; // A node in a circularly linked list. Each node is either a head or an item: // - Items can be either detached (prev = NULL), or attached to a list. // 'value' points to something of interest. // - List heads are always attached; if a list is empty, its head points // to itself. 'count' contains the size of the list. // If the list holds notes, 'pool' points back to the pool where it lives. // Otherwise, that member is NULL. typedef struct AudioListItem { /* 0x00 */ struct AudioListItem* prev; /* 0x04 */ struct AudioListItem* next; union { /* 0x08 */ void* value; // either Note* or SequenceLayer* /* 0x08 */ s32 count; } u; /* 0x0C */ struct NotePool* pool; } AudioListItem; // size = 0x10 typedef struct NotePool { /* 0x00 */ AudioListItem disabled; /* 0x10 */ AudioListItem decaying; /* 0x20 */ AudioListItem releasing; /* 0x30 */ AudioListItem active; } NotePool; // size = 0x40 // Pitch sliding by up to one octave in the positive direction. Negative // direction is "supported" by setting extent to be negative. The code // extrapolates exponentially in the wrong direction in that case, but that // doesn't prevent seqplayer from doing it, AFAICT. typedef struct { /* 0x00 */ u8 mode; // bit 0x80 denotes something; the rest are an index 0-5 /* 0x02 */ u16 cur; /* 0x04 */ u16 speed; /* 0x08 */ f32 extent; } Portamento; // size = 0xC typedef struct { /* 0x0 */ s16 delay; /* 0x2 */ s16 arg; } AdsrEnvelope; // size = 0x4 typedef struct { /* 0x00 */ u32 start; /* 0x04 */ u32 end; /* 0x08 */ u32 count; /* 0x0C */ u32 unk_0C; /* 0x10 */ s16 state[16]; // only exists if count != 0. 8-byte aligned } AdpcmLoop; // size = 0x30 (or 0x10) typedef struct { /* 0x00 */ s32 order; /* 0x04 */ s32 npredictors; /* 0x08 */ s16 book[1]; // size 8 * order * npredictors. 8-byte aligned } AdpcmBook; // size >= 0x8 typedef struct { /* 0x00 */ u32 unk_0 : 1; /* 0x00 */ u32 codec : 3; /* 0x00 */ u32 medium : 2; /* 0x00 */ u32 unk_bit26 : 1; /* 0x00 */ u32 unk_bit25 : 1; /* 0x01 */ u32 size : 24; /* 0x04 */ u8* sampleAddr; /* 0x08 */ AdpcmLoop* loop; /* 0x0C */ AdpcmBook* book; } SoundFontSample; // size = 0x10 typedef struct { /* 0x00 */ SoundFontSample* sample; /* 0x04 */ f32 tuning; // frequency scale factor } SoundFontSound; // size = 0x8 typedef struct { /* 0x00 */ s16 numSamplesAfterDownsampling; // never read /* 0x02 */ s16 chunkLen; // never read /* 0x04 */ s16* toDownsampleLeft; /* 0x08 */ s16* toDownsampleRight; // data pointed to by left and right are adjacent in memory /* 0x0C */ s32 startPos; // start pos in ring buffer /* 0x10 */ s16 lengthA; // first length in ring buffer (from startPos, at most until end) /* 0x12 */ s16 lengthB; // second length in ring buffer (from pos 0) /* 0x14 */ u16 unk_14; /* 0x16 */ u16 unk_16; /* 0x18 */ u16 unk_18; } ReverbRingBufferItem; // size = 0x1C typedef struct { /* 0x000 */ u8 resampleFlags; /* 0x001 */ u8 useReverb; /* 0x002 */ u8 framesToIgnore; /* 0x003 */ u8 curFrame; /* 0x004 */ u8 downsampleRate; /* 0x005 */ s8 unk_05; /* 0x006 */ u16 windowSize; /* 0x008 */ s16 unk_08; /* 0x00A */ s16 unk_0A; /* 0x00C */ u16 unk_0C; /* 0x00E */ u16 unk_0E; /* 0x010 */ s16 leakRtl; /* 0x012 */ s16 leakLtr; /* 0x014 */ u16 unk_14; /* 0x016 */ s16 unk_16; /* 0x018 */ u8 unk_18; /* 0x019 */ s8 unk_19; /* 0x01A */ u16 unk_1A; /* 0x01C */ u16 unk_1C; /* 0x01E */ u8 unk_1E; /* 0x020 */ s32 nextRingBufPos; /* 0x024 */ s32 unk_24; // May be bufSizePerChan /* 0x028 */ s16* leftRingBuf; /* 0x02C */ s16* rightRingBuf; /* 0x030 */ void* unk_30; /* 0x034 */ void* unk_34; /* 0x038 */ void* unk_38; /* 0x03C */ void* unk_3C; /* 0x040 */ ReverbRingBufferItem items[2][5]; /* 0x158 */ ReverbRingBufferItem items2[2][5]; /* 0x270 */ s16* filterLeft; /* 0x274 */ s16* filterRight; /* 0x278 */ s16* unk_278; /* 0x27C */ s16* unk_27C; /* 0x280 */ s16* filterLeftState; /* 0x284 */ s16* filterRightState; /* 0x288 */ SoundFontSound sound; /* 0x290 */ SoundFontSample sample; /* 0x2A0 */ AdpcmLoop loop; } SynthesisReverb; // size = 0x2D0 typedef struct { /* 0x00 */ u8 loaded; /* 0x01 */ u8 normalRangeLo; /* 0x02 */ u8 normalRangeHi; /* 0x03 */ u8 releaseRate; /* 0x04 */ AdsrEnvelope* envelope; /* 0x08 */ SoundFontSound lowNotesSound; /* 0x10 */ SoundFontSound normalNotesSound; /* 0x18 */ SoundFontSound highNotesSound; } Instrument; // size = 0x20 typedef struct { /* 0x00 */ u8 releaseRate; /* 0x01 */ u8 pan; /* 0x02 */ u8 loaded; /* 0x04 */ SoundFontSound sound; /* 0x14 */ AdsrEnvelope* envelope; } Drum; // size = 0x18 typedef struct { /* 0x00 */ u8 numInstruments; /* 0x01 */ u8 numDrums; /* 0x02 */ u8 sampleBankId1; /* 0x03 */ u8 sampleBankId2; /* 0x04 */ u16 numSfx; /* 0x08 */ Instrument** instruments; /* 0x0C */ Drum** drums; /* 0x10 */ SoundFontSound* soundEffects; } SoundFont; // size = 0x14 typedef struct { /* 0x00 */ u8* pc; /* 0x04 */ u8* stack[4]; /* 0x14 */ u8 remLoopIters[4]; /* 0x18 */ u8 depth; /* 0x19 */ s8 value; } SeqScriptState; // size = 0x1C // Also known as a Group, according to debug strings. typedef struct { /* 0x000 */ u8 enabled : 1; /* 0x000 */ u8 finished : 1; /* 0x000 */ u8 muted : 1; /* 0x000 */ u8 seqDmaInProgress : 1; /* 0x000 */ u8 fontDmaInProgress : 1; /* 0x000 */ u8 recalculateVolume : 1; /* 0x000 */ u8 stopScript : 1; /* 0x000 */ u8 unk_0b1 : 1; /* 0x001 */ u8 state; /* 0x002 */ u8 noteAllocPolicy; /* 0x003 */ u8 muteBehavior; /* 0x004 */ u8 seqId; /* 0x005 */ u8 defaultFont; /* 0x006 */ u8 unk_06[1]; /* 0x007 */ s8 playerIdx; /* 0x008 */ u16 tempo; // tatums per minute /* 0x00A */ u16 tempoAcc; /* 0x00C */ s16 unk_0C; /* 0x00E */ s16 transposition; /* 0x010 */ u16 delay; /* 0x012 */ u16 fadeTimer; /* 0x014 */ u16 fadeTimerUnkEu; /* 0x016 */ u16 unk_16; // New to MM union { /* 0x018 */ u8* seqData; /* 0x018 */ u16* seqData16; }; /* 0x01C */ f32 fadeVolume; /* 0x020 */ f32 fadeVelocity; /* 0x024 */ f32 volume; /* 0x028 */ f32 muteVolumeScale; /* 0x02C */ f32 fadeVolumeScale; /* 0x030 */ f32 appliedFadeVolume; /* 0x034 */ f32 unk_34; /* 0x038 */ struct SequenceChannel* channels[16]; /* 0x078 */ SeqScriptState scriptState; /* 0x094 */ u8* shortNoteVelocityTable; /* 0x098 */ u8* shortNoteGateTimeTable; /* 0x09C */ NotePool notePool; /* 0x0DC */ s32 skipTicks; /* 0x0E0 */ u32 scriptCounter; /* 0x0E4 */ char unk_E4[0x74]; // unused struct members for sequence/sound font dma management, according to sm64 decomp /* 0x158 */ s8 soundScriptIO[8]; } SequencePlayer; // size = 0x160 typedef struct { /* 0x0 */ u8 releaseRate; /* 0x1 */ u8 sustain; /* 0x4 */ AdsrEnvelope* envelope; } AdsrSettings; // size = 0x8 typedef struct { union { struct { /* 0x00 */ u8 unk_0b80 : 1; /* 0x00 */ u8 hang : 1; /* 0x00 */ u8 decay : 1; /* 0x00 */ u8 release : 1; /* 0x00 */ u8 state : 4; } s; /* 0x00 */ u8 asByte; } action; /* 0x01 */ u8 envIndex; /* 0x02 */ s16 delay; /* 0x04 */ f32 sustain; /* 0x08 */ f32 velocity; /* 0x0C */ f32 fadeOutVel; /* 0x10 */ f32 current; /* 0x14 */ f32 target; /* 0x18 */ char unk_18[4]; /* 0x1C */ AdsrEnvelope* envelope; } AdsrState; // size = 0x20 typedef struct { /* 0x0 */ u8 unused : 2; /* 0x0 */ u8 bit2 : 2; /* 0x0 */ u8 strongRight : 1; /* 0x0 */ u8 strongLeft : 1; /* 0x0 */ u8 stereoHeadsetEffects : 1; /* 0x0 */ u8 usesHeadsetPanEffects : 1; } StereoData; // size = 0x1 typedef union { /* 0x0 */ StereoData s; /* 0x0 */ u8 asByte; } Stereo; // size = 0x1 typedef struct { /* 0x00 */ u8 reverb; /* 0x01 */ u8 unk_1; /* 0x02 */ u8 pan; /* 0x03 */ u8 unk_3; // Possibly part of stereo? /* 0x04 */ Stereo stereo; /* 0x05 */ u8 unk_4; /* 0x06 */ u16 unk_6; /* 0x08 */ f32 freqScale; /* 0x0C */ f32 velocity; /* 0x10 */ s16* filter; /* 0x14 */ s16* filterBuf; } NoteAttributes; // size = 0x18 typedef struct VibratoSubStruct { /* 0x0 */ u16 vibratoRateStart; /* 0x2 */ u16 vibratoExtentStart; /* 0x4 */ u16 vibratoRateTarget; /* 0x6 */ u16 vibratoExtentTarget; /* 0x8 */ u16 vibratoRateChangeDelay; /* 0xA */ u16 vibratoExtentChangeDelay; /* 0xC */ u16 vibratoDelay; } VibratoSubStruct; // size = 0xE typedef struct SequenceChannelSubStruct { /* 0x0 */ u8 enabled : 1; /* 0x0 */ u8 finished : 1; /* 0x0 */ u8 stopScript : 1; /* 0x0 */ u8 stopSomething2 : 1; // sets SequenceLayer.stopSomething /* 0x0 */ u8 hasInstrument : 1; /* 0x0 */ u8 stereoHeadsetEffects : 1; /* 0x0 */ u8 largeNotes : 1; // notes specify duration and velocity /* 0x0 */ u8 unused : 1; } SequenceChannelSubStruct; // size = 0x1 // Also known as a SubTrack, according to sm64 debug strings. typedef struct SequenceChannel { /* 0x00 */ u8 enabled : 1; /* 0x00 */ u8 finished : 1; /* 0x00 */ u8 stopScript : 1; /* 0x00 */ u8 stopSomething2 : 1; // sets SequenceLayer.stopSomething /* 0x00 */ u8 hasInstrument : 1; /* 0x00 */ u8 stereoHeadsetEffects : 1; /* 0x00 */ u8 largeNotes : 1; // notes specify duration and velocity /* 0x00 */ u8 unused : 1; union { struct { /* 0x01 */ u8 freqScale : 1; /* 0x01 */ u8 volume : 1; /* 0x01 */ u8 pan : 1; } s; /* 0x01 */ u8 asByte; } changes; /* 0x02 */ u8 noteAllocPolicy; /* 0x03 */ u8 muteBehavior; /* 0x04 */ u8 reverb; // or dry/wet mix /* 0x05 */ u8 notePriority; // 0-3 /* 0x06 */ u8 someOtherPriority; /* 0x07 */ u8 fontId; /* 0x08 */ u8 reverbIndex; /* 0x09 */ u8 bookOffset; /* 0x0A */ u8 newPan; /* 0x0B */ u8 panChannelWeight; // proportion of pan that comes from the channel (0..128) /* 0x0C */ u8 unk_0C; /* 0x0D */ u8 velocityRandomVariance; /* 0x0E */ u8 gateTimeRandomVariance; /* 0x0F */ u8 unk_0F; /* 0x10 */ u8 unk_10; // New to MM /* 0x11 */ u8 unk_11; // New to MM /* 0x12 */ VibratoSubStruct vibrato; /* 0x20 */ u16 delay; /* 0x22 */ u16 unk_20; /* 0x24 */ u16 unk_22; /* 0x26 */ s16 instOrWave; // either 0 (none), instrument index + 1, or // 0x80..0x83 for sawtooth/triangle/sine/square waves. /* 0x28 */ s16 transposition; /* 0x2C */ f32 volumeScale; /* 0x30 */ f32 volume; /* 0x34 */ s32 pan; /* 0x38 */ f32 appliedVolume; /* 0x3C */ f32 freqScale; /* 0x40 */ u8 (*dynTable)[][2]; /* 0x44 */ struct Note* noteUnused; /* 0x48 */ struct SequenceLayer* layerUnused; /* 0x4C */ Instrument* instrument; /* 0x50 */ SequencePlayer* seqPlayer; /* 0x54 */ struct SequenceLayer* layers[4]; /* 0x64 */ SeqScriptState scriptState; /* 0x80 */ AdsrSettings adsr; /* 0x88 */ NotePool notePool; /* 0xC8 */ s8 soundScriptIO[8]; // bridge between sound script and audio lib, "io ports" /* 0xD0 */ u8* unk_D0; // New to MM /* 0xD4 */ s16* filter; /* 0xD8 */ Stereo stereo; /* 0xDC */ s32 unk_DC; // New to MM /* 0xE0 */ s32 unk_E0; // New to MM } SequenceChannel; // size = 0xE4 // Might also be known as a Track, according to sm64 debug strings (?). typedef struct SequenceLayer { /* 0x00 */ u8 enabled : 1; /* 0x00 */ u8 finished : 1; /* 0x00 */ u8 stopSomething : 1; /* 0x00 */ u8 continuousNotes : 1; // keep the same note for consecutive notes with the same sound /* 0x00 */ u8 bit3 : 1; // "loaded"? /* 0x00 */ u8 ignoreDrumPan : 1; /* 0x00 */ u8 bit1 : 1; // "has initialized continuous notes"? /* 0x00 */ u8 notePropertiesNeedInit : 1; /* 0x01 */ Stereo stereo; /* 0x02 */ u8 instOrWave; /* 0x03 */ u8 gateTime; /* 0x04 */ u8 semitone; /* 0x05 */ u8 portamentoTargetNote; /* 0x06 */ u8 pan; // 0..128 /* 0x07 */ u8 notePan; /* 0x08 */ u8 unk_08; /* 0x09 */ u8 unk_09; union { struct { /* 0x0A */ u16 bit_0 : 1; /* 0x0A */ u16 bit_1 : 1; /* 0x0A */ u16 bit_2 : 1; /* 0x0A */ u16 bit_3 : 1; /* 0x0A */ u16 bit_4 : 1; /* 0x0A */ u16 bit_5 : 1; /* 0x0A */ u16 bit_6 : 1; /* 0x0A */ u16 bit_7 : 1; /* 0x0A */ u16 bit_8 : 1; /* 0x0A */ u16 bit_9 : 1; /* 0x0A */ u16 bit_A : 1; /* 0x0A */ u16 bit_B : 1; /* 0x0A */ u16 bit_C : 1; /* 0x0A */ u16 bit_D : 1; /* 0x0A */ u16 bit_E : 1; /* 0x0A */ u16 bit_F : 1; } s; /* 0x0A */ u16 asByte; } unk_0A; /* 0x0C */ VibratoSubStruct vibrato; /* 0x1A */ s16 delay; /* 0x1C */ s16 gateDelay; /* 0x1E */ s16 delay2; /* 0x20 */ u16 portamentoTime; /* 0x22 */ s16 transposition; // #semitones added to play commands // (seq instruction encoding only allows referring to the limited range // 0..0x3F; this makes 0x40..0x7F accessible as well) /* 0x24 */ s16 shortNoteDefaultDelay; /* 0x26 */ s16 lastDelay; /* 0x28 */ AdsrSettings adsr; /* 0x30 */ Portamento portamento; /* 0x3C */ struct Note* note; /* 0x40 */ f32 freqScale; /* 0x44 */ f32 unk_34; /* 0x48 */ f32 velocitySquare2; /* 0x4C */ f32 velocitySquare; // not sure which one of those corresponds to the sm64 original /* 0x50 */ f32 noteVelocity; /* 0x54 */ f32 noteFreqScale; /* 0x58 */ Instrument* instrument; /* 0x5C */ SoundFontSound* sound; /* 0x60 */ SequenceChannel* channel; // Not SequenceChannel? /* 0x64 */ SeqScriptState scriptState; /* 0x80 */ AudioListItem listItem; } SequenceLayer; // size = 0x90 typedef struct { /* 0x00 */ s16 adpcmdecState[0x10]; /* 0x20 */ s16 finalResampleState[0x10]; /* 0x40 */ s16 mixEnvelopeState[0x28]; /* 0x90 */ s16 panResampleState[0x10]; /* 0xB0 */ s16 panSamplesBuffer[0x20]; /* 0xF0 */ s16 dummyResampleState[0x10]; } NoteSynthesisBuffers; // size = 0x110 typedef struct { /* 0x00 */ u8 restart_bit0 : 1; /* 0x00 */ u8 restart_bit1 : 1; /* 0x00 */ u8 restart_bit2 : 1; /* 0x00 */ u8 restart_bit3 : 1; /* 0x00 */ u8 restart_bit4 : 1; /* 0x00 */ u8 restart_bit5 : 1; /* 0x00 */ u8 restart_bit6 : 1; /* 0x00 */ u8 restart_bit7 : 1; /* 0x01 */ u8 sampleDmaIndex; /* 0x02 */ u8 prevHeadsetPanRight; /* 0x03 */ u8 prevHeadsetPanLeft; /* 0x04 */ u8 reverbVol; /* 0x05 */ u8 numParts; /* 0x06 */ u16 samplePosFrac; /* 0x08 */ u16 unk_08; // New to MM /* 0x0C */ s32 samplePosInt; /* 0x10 */ NoteSynthesisBuffers* synthesisBuffers; /* 0x14 */ s16 curVolLeft; /* 0x16 */ s16 curVolRight; /* 0x18 */ u16 unk_14; /* 0x1A */ u16 unk_16; /* 0x1C */ u16 unk_18; /* 0x1E */ u8 unk_1A; /* 0x1F */ u8 unk_1F; /* 0x20 */ u16 unk_1C; /* 0x22 */ u16 unk_1E; } NoteSynthesisState; // size = 0x24 typedef struct { /* 0x00 */ struct VibratoSubStruct* vibSubStruct; // MM Something else? /* 0x04 */ u32 time; /* 0x08 */ s16* curve; /* 0x0C */ f32 extent; /* 0x10 */ f32 rate; /* 0x14 */ u8 active; /* 0x16 */ u16 rateChangeTimer; /* 0x18 */ u16 extentChangeTimer; /* 0x1A */ u16 delay; } VibratoState; // size = 0x1C typedef struct { /* 0x00 */ u8 priority; /* 0x01 */ u8 waveId; /* 0x02 */ u8 sampleCountIndex; /* 0x03 */ u8 fontId; /* 0x04 */ u8 unk_04; /* 0x05 */ u8 stereoHeadsetEffects; /* 0x06 */ s16 adsrVolScaleUnused; /* 0x08 */ f32 portamentoFreqScale; /* 0x0C */ f32 vibratoFreqScale; /* 0x18 */ SequenceLayer* wantedParentLayer; /* 0x14 */ SequenceLayer* parentLayer; /* 0x10 */ SequenceLayer* prevParentLayer; /* 0x1C */ NoteAttributes attributes; /* 0x34 */ AdsrState adsr; /* 0x54 */ Portamento portamento; /* 0x60 */ VibratoState vibratoState; /* 0x7C */ char unk_7C[0x8]; /* 0x84 */ u32 unk_84; } NotePlaybackState; // size = 0x88 typedef struct { struct { /* 0x00 */ volatile u8 enabled : 1; /* 0x00 */ u8 needsInit : 1; /* 0x00 */ u8 finished : 1; // ? /* 0x00 */ u8 unused : 1; /* 0x00 */ u8 stereoStrongRight : 1; /* 0x00 */ u8 stereoStrongLeft : 1; /* 0x00 */ u8 stereoHeadsetEffects : 1; /* 0x00 */ u8 usesHeadsetPanEffects : 1; // ? } bitField0; struct { /* 0x01 */ u8 reverbIndex : 3; /* 0x01 */ u8 bookOffset : 2; /* 0x01 */ u8 isSyntheticWave : 1; /* 0x01 */ u8 hasTwoParts : 1; /* 0x01 */ u8 usesHeadsetPanEffects2 : 1; } bitField1; /* 0x02 */ u8 unk_2; /* 0x03 */ u8 headsetPanRight; /* 0x04 */ u8 headsetPanLeft; /* 0x05 */ u8 reverbVol; /* 0x06 */ u8 unk_06; /* 0x07 */ u8 unk_07; /* 0x08 */ u16 targetVolLeft; /* 0x0A */ u16 targetVolRight; /* 0x0C */ u16 resamplingRateFixedPoint; /* 0x0E */ u16 unk_0E; union { /* 0x10 */ SoundFontSound* soundFontSound; /* 0x10 */ s16* samples; // used for synthetic waves } sound; /* 0x14 */ s16* filter; /* 0x18 */ u8 unk_18; // New to MM /* 0x19 */ u8 unk_19; // New to MM /* 0x1A */ UNK_TYPE1 pad_1A[0x6]; } NoteSubEu; // size = 0x20 typedef struct Note { /* 0x00 */ AudioListItem listItem; /* 0x10 */ NoteSynthesisState synthesisState; /* 0x34 */ NotePlaybackState playbackState; /* 0xBC */ char unk_BC[0x1C]; /* 0xD8 */ NoteSubEu noteSubEu; } Note; // size = 0xF8 typedef struct { /* 0x00 */ u8 downsampleRate; /* 0x02 */ u16 windowSize; /* 0x04 */ u16 unk_4; /* 0x06 */ u16 unk_6; /* 0x08 */ u16 unk_8; /* 0x0A */ u16 unk_A; /* 0x0C */ u16 leakRtl; /* 0x0E */ u16 leakLtr; /* 0x10 */ s8 unk_10; /* 0x12 */ u16 unk_12; /* 0x14 */ s16 lowPassFilterCutoffLeft; /* 0x16 */ s16 lowPassFilterCutoffRight; } ReverbSettings; // size = 0x18 typedef struct { /* 0x00 */ u32 frequency; /* 0x04 */ u8 unk_04; /* 0x05 */ u8 numNotes; /* 0x06 */ u8 numSequencePlayers; /* 0x07 */ u8 unk_07[0x2]; // unused, set to zero /* 0x09 */ u8 numReverbs; /* 0x0A */ u8 unk_0A[0x2]; /* 0x0C */ ReverbSettings* reverbSettings; /* 0x10 */ u16 sampleDmaBufSize1; /* 0x12 */ u16 sampleDmaBufSize2; /* 0x14 */ u16 unk_14; /* 0x18 */ u32 persistentSeqMem; /* 0x1C */ u32 persistentFontMem; /* 0x20 */ u32 persistentSampleMem; /* 0x24 */ u32 temporarySeqMem; /* 0x28 */ u32 temporaryFontMem; /* 0x2C */ u32 temporarySampleMem; /* 0x30 */ s32 persistentSampleCacheMem; /* 0x34 */ s32 temporarySampleCacheMem; } AudioSpec; // size = 0x38 typedef struct { /* 0x00 */ s16 specUnk4; /* 0x02 */ u16 frequency; /* 0x04 */ u16 aiFrequency; /* 0x06 */ s16 samplesPerFrameTarget; /* 0x08 */ s16 maxAiBufferLength; /* 0x0A */ s16 minAiBufferLength; /* 0x0C */ s16 updatesPerFrame; /* 0x0E */ s16 samplesPerUpdate; /* 0x10 */ s16 samplesPerUpdateMax; /* 0x12 */ s16 samplesPerUpdateMin; /* 0x14 */ s16 numSequencePlayers; /* 0x18 */ f32 resampleRate; /* 0x1C */ f32 updatesPerFrameInv; /* 0x20 */ f32 unkUpdatesPerFrameScaled; /* 0x24 */ f32 unk_24; } AudioBufferParameters; // size = 0x28 typedef struct { /* 0x0 */ u8* start; /* 0x4 */ u8* cur; /* 0x8 */ s32 size; /* 0xC */ s32 count; } AudioAllocPool; // size = 0x10 typedef struct { /* 0x0 */ u8* ptr; /* 0x4 */ u32 size; /* 0x8 */ s16 tableType; /* 0xA */ s16 id; } AudioCacheEntry; // size = 0xC typedef struct { /* 0x00 */ s8 inUse; /* 0x01 */ s8 origMedium; /* 0x02 */ u8 sampleBankId; /* 0x03 */ char unk_03[0x5]; /* 0x08 */ u8* allocatedAddr; /* 0x0C */ void* sampleAddr; /* 0x10 */ u32 size; } SampleCacheEntry; // size = 0x14 typedef struct { /* 0x000 */ AudioAllocPool pool; /* 0x010 */ SampleCacheEntry entries[128]; /* 0xA10 */ s32 size; } AudioSampleCache; // size = 0xA14 typedef struct { /* 0x00 */ u32 numEntries; /* 0x04 */ AudioAllocPool pool; /* 0x14 */ AudioCacheEntry entries[16]; } AudioPersistentCache; // size = 0xD4 typedef struct { /* 0x00 */ u32 nextSide; /* 0x04 */ AudioAllocPool pool; /* 0x14 */ AudioCacheEntry entries[2]; } AudioTemporaryCache; // size = 0x3C typedef struct { /* 0x000 */ AudioPersistentCache persistent; /* 0x0D4 */ AudioTemporaryCache temporary; /* 0x100 */ u8 unk_100[0x10]; } AudioCache; // size = 0x110 typedef struct { /* 0x0 */ u32 wantPersistent; /* 0x4 */ u32 wantTemporary; } AudioPoolSplit2; // size = 0x8 typedef struct { /* 0x0 */ u32 wantSeq; /* 0x4 */ u32 wantFont; /* 0x8 */ u32 wantSample; } AudioPoolSplit3; // size = 0xC typedef struct { /* 0x0 */ u32 wantSeq; /* 0x4 */ u32 wantFont; /* 0x8 */ u32 wantSample; /* 0xC */ u32 wantCustom; } AudioPoolSplit4; // size = 0x10 typedef struct { /* 0x00 */ u32 endAndMediumKey; /* 0x04 */ SoundFontSample* sample; /* 0x08 */ u8* ramAddr; /* 0x0C */ u32 encodedInfo; /* 0x10 */ s32 isFree; } AudioPreloadReq; // size = 0x14 typedef struct { union { /* 0x0 */ u32 opArgs; struct { /* 0x0 */ u8 op; /* 0x1 */ u8 arg0; /* 0x2 */ u8 arg1; /* 0x3 */ u8 arg2; }; }; union { /* 0x4 */ void* data; /* 0x4 */ f32 asFloat; /* 0x4 */ s32 asInt; /* 0x4 */ u16 asUShort; /* 0x4 */ s8 asSbyte; /* 0x4 */ u8 asUbyte; /* 0x4 */ u32 asUInt; }; } AudioCmd; // size = 0x8 typedef struct { /* 0x00 */ s8 status; /* 0x01 */ s8 delay; /* 0x02 */ s8 medium; /* 0x04 */ u8* ramAddr; /* 0x08 */ u32 curDevAddr; /* 0x0C */ u8* curRamAddr; /* 0x10 */ u32 bytesRemaining; /* 0x14 */ u32 chunkSize; /* 0x18 */ s32 unkMediumParam; /* 0x1C */ u32 retMsg; /* 0x20 */ OSMesgQueue* retQueue; /* 0x24 */ OSMesgQueue msgQueue; /* 0x3C */ OSMesg msg; /* 0x40 */ OSIoMesg ioMesg; } AudioAsyncLoad; // size = 0x58 typedef struct { /* 0x00 */ u8 medium; /* 0x01 */ u8 seqOrFontId; /* 0x02 */ u16 instId; /* 0x04 */ s32 unkMediumParam; /* 0x08 */ s32 curDevAddr; /* 0x0C */ u8* curRamAddr; /* 0x10 */ u8* ramAddr; /* 0x14 */ s32 status; /* 0x18 */ s32 bytesRemaining; /* 0x1C */ s8* isDone; /* 0x20 */ SoundFontSample sample; /* 0x30 */ OSMesgQueue msgqueue; /* 0x48 */ OSMesg msg; /* 0x4C */ OSIoMesg ioMesg; } AudioSlowLoad; // size = 0x64 typedef struct { /* 0x00 */ u32 romAddr; /* 0x04 */ u32 size; /* 0x08 */ s8 medium; /* 0x09 */ s8 cachePolicy; /* 0x0A */ s16 shortData1; /* 0x0C */ s16 shortData2; /* 0x0E */ s16 shortData3; } AudioTableEntry; // size = 0x10 typedef struct { /* 0x00 */ s16 numEntries; /* 0x02 */ s16 unkMediumParam; /* 0x04 */ u32 romAddr; /* 0x08 */ char pad[0x8]; /* 0x10 */ AudioTableEntry entries[1]; // (dynamic size) } AudioTable; // size >= 0x20 typedef struct { /* 0x00 */ OSTask task; /* 0x40 */ OSMesgQueue* taskQueue; /* 0x44 */ void* unk_44; // probably a message that gets unused. /* 0x48 */ char unk_48[0x8]; } AudioTask; // size = 0x50 typedef struct { /* 0x00 */ u8* ramAddr; /* 0x04 */ u32 devAddr; /* 0x08 */ u16 sizeUnused; /* 0x0A */ u16 size; /* 0x0C */ u8 unused; /* 0x0D */ u8 reuseIndex; // position in sSampleDmaReuseQueue1/2, if ttl == 0 /* 0x0E */ u8 ttl; // duration after which the DMA can be discarded } SampleDma; // size = 0x10 typedef struct { /* 0x0000 */ char unk_0000; /* 0x0001 */ s8 numSynthesisReverbs; /* 0x0002 */ u16 unk_2; /* 0x0004 */ u16 unk_4; /* 0x0006 */ char unk_0006[0xA]; /* 0x0010 */ s16* curLoadedBook; /* 0x0014 */ NoteSubEu* noteSubsEu; /* 0x0018 */ SynthesisReverb synthesisReverbs[4]; /* 0x0B58 */ char unk_0B58[0x30]; /* 0x0B88 */ SoundFontSample* usedSamples[128]; /* 0x0D88 */ AudioPreloadReq preloadSampleStack[128]; /* 0x1788 */ s32 numUsedSamples; /* 0x178C */ s32 preloadSampleStackTop; /* 0x1790 */ AudioAsyncLoad asyncLoads[0x10]; /* 0x1D10 */ OSMesgQueue asyncLoadUnkMediumQueue; /* 0x1D28 */ char unk_1D08[0x40]; /* 0x1D68 */ AudioAsyncLoad* curUnkMediumLoad; /* 0x1D6C */ u32 slowLoadPos; /* 0x1D70 */ AudioSlowLoad slowLoads[2]; /* 0x1E38 */ OSPiHandle* cartHandle; /* 0x1E2C */ OSPiHandle* driveHandle; /* 0x1E40 */ OSMesgQueue externalLoadQueue; /* 0x1E58 */ OSMesg externalLoadMesgBuf[0x10]; /* 0x1E98 */ OSMesgQueue preloadSampleQueue; /* 0x1EB0 */ OSMesg preloadSampleMesgBuf[0x10]; /* 0x1EF0 */ OSMesgQueue currAudioFrameDmaQueue; /* 0x1F08 */ OSMesg currAudioFrameDmaMesgBuf[0x40]; /* 0x2008 */ OSIoMesg currAudioFrameDmaIoMesgBuf[0x40]; /* 0x2608 */ OSMesgQueue syncDmaQueue; /* 0x2620 */ OSMesg syncDmaMesg; /* 0x2624 */ OSIoMesg syncDmaIoMesg; /* 0x263C */ SampleDma* sampleDmas; /* 0x2640 */ u32 sampleDmaCount; /* 0x2644 */ u32 sampleDmaListSize1; /* 0x2648 */ s32 unused2628; /* 0x264C */ u8 sampleDmaReuseQueue1[0x100]; // read pos <= write pos, wrapping mod 256 /* 0x274C */ u8 sampleDmaReuseQueue2[0x100]; /* 0x284C */ u8 sampleDmaReuseQueue1RdPos; /* 0x284D */ u8 sampleDmaReuseQueue2RdPos; /* 0x284E */ u8 sampleDmaReuseQueue1WrPos; /* 0x284F */ u8 sampleDmaReuseQueue2WrPos; /* 0x2850 */ AudioTable* sequenceTable; /* 0x2854 */ AudioTable* soundFontTable; /* 0x2858 */ AudioTable* sampleBankTable; /* 0x285C */ char unk_285C[0x4]; /* 0x2860 */ u8* sequenceFontTable; /* 0x2864 */ u16 numSequences; /* 0x2868 */ SoundFont* soundFonts; /* 0x286C */ AudioBufferParameters audioBufferParameters; /* 0x2994 */ f32 unk_2870; /* 0x2898 */ s32 sampleDmaBufSize1; /* 0x289C */ s32 sampleDmaBufSize2; /* 0x28A0 */ char unk_287C[0x10]; /* 0x28B0 */ s32 sampleDmaBufSize; /* 0x28B4 */ s32 maxAudioCmds; /* 0x28B8 */ s32 numNotes; /* 0x2898 */ s16 tempoInternalToExternal; /* 0x28BE */ s8 soundMode; /* 0x28C0 */ s32 totalTaskCnt; /* 0x28C4 */ s32 curAudioFrameDmaCount; /* 0x28C8 */ s32 rspTaskIdx; /* 0x28CC */ s32 curAIBufIdx; /* 0x28AC */ Acmd* abiCmdBufs[2]; /* 0x28B4 */ Acmd* curAbiCmdBuf; /* 0x28DC */ AudioTask* currTask; /* 0x28C0 */ AudioTask rspTask[2]; /* 0x2980 */ f32 unk_2960; /* 0x2984*/ s32 refreshRate; /* 0x2988 */ s16* aiBuffers[3]; /* 0x2994 */ s16 aiBufLengths[3]; /* 0x299C */ u32 audioRandom; /* 0x29A0 */ s32 audioErrorFlags; /* 0x29A4 */ volatile u32 resetTimer; /* 0x29A8 */ u32 (*unk_29A8[4])(s8 value, SequenceChannel* channel); /* 0x29B8 */ s8 unk_29B8; /* 0x29BC */ s32 unk_29BC; // sMaxAbiCmdCnt /* 0x29C0 */ AudioAllocPool audioSessionPool; /* 0x29D0 */ AudioAllocPool externalPool; /* 0x29E0 */ AudioAllocPool audioInitPool; /* 0x29F0 */ AudioAllocPool notesAndBuffersPool; /* 0x2A00 */ char unk_29D0[0x20]; // probably two unused pools /* 0x2A20 */ AudioAllocPool cachePool; /* 0x2A30 */ AudioAllocPool persistentCommonPool; /* 0x2A40 */ AudioAllocPool temporaryCommonPool; /* 0x2A50 */ AudioCache seqCache; /* 0x2B60 */ AudioCache fontCache; /* 0x2C70 */ AudioCache sampleBankCache; /* 0x2D80 */ AudioAllocPool permanentPool; /* 0x2D90 */ AudioCacheEntry permanentCache[32]; /* 0x3690 */ AudioSampleCache persistentSampleCache; /* 0x40A4 */ AudioSampleCache temporarySampleCache; /* 0x4338 */ AudioPoolSplit4 sessionPoolSplit; /* 0x4348 */ AudioPoolSplit2 cachePoolSplit; /* 0x4350 */ AudioPoolSplit3 persistentCommonPoolSplit; /* 0x435C */ AudioPoolSplit3 temporaryCommonPoolSplit; /* 0x4368 */ u8 sampleFontLoadStatus[0x30]; /* 0x4398 */ u8 fontLoadStatus[0x30]; /* 0x43C8 */ u8 seqLoadStatus[0x80]; /* 0x4448 */ volatile u8 resetStatus; /* 0x4449 */ u8 audioResetSpecIdToLoad; /* 0x444C */ s32 audioResetFadeOutFramesLeft; /* 0x4450 */ f32* unk_3520; /* 0x4454 */ u8* audioHeap; /* 0x4458 */ u32 audioHeapSize; /* 0x445C */ Note* notes; /* 0x4460 */ SequencePlayer seqPlayers[5]; /* 0x4B40 */ SequenceLayer sequenceLayers[80]; /* 0x7840 */ SequenceChannel sequenceChannelNone; /* 0x7924 */ s32 noteSubEuOffset; /* 0x7928 */ AudioListItem layerFreeList; /* 0x7938 */ NotePool noteFreeLists; /* 0x7978 */ u8 cmdWrPos; /* 0x7979 */ u8 cmdRdPos; /* 0x797A */ u8 cmdQueueFinished; /* 0x797C */ u16 unk_5BDC[4]; /* 0x7984 */ char unk_7984[4]; /* 0x7988 */ OSMesgQueue* audioResetQueueP; /* 0x798C */ OSMesgQueue* taskStartQueueP; /* 0x7990 */ OSMesgQueue* cmdProcQueueP; /* 0x7994 */ OSMesgQueue taskStartQueue; /* 0x79AC */ OSMesgQueue cmdProcQueue; /* 0x79C4 */ OSMesgQueue audioResetQueue; /* 0x79DC */ OSMesg taskStartMsgs[1]; /* 0x79E0 */ OSMesg audioResetMesgs[1]; /* 0x79E4 */ OSMesg cmdProcMsgs[4]; /* 0x79F4 */ AudioCmd cmdBuf[0x100]; /* 0x81F4 */ char unk_81F4[4]; } AudioContext; // size = 0x81F8 typedef struct { /* 0x00 */ u8 reverbVol; /* 0x01 */ u8 unk_1; /* 0x02 */ u8 pan; /* 0x03 */ u8 unk_3; /* 0x04 */ Stereo stereo; /* 0x08 */ f32 frequency; /* 0x0C */ f32 velocity; /* 0x10 */ char unk_0C[0x4]; /* 0x14 */ s16* filter; /* 0x18 */ u8 unk_14; /* 0x1A */ u16 unk_16; } NoteSubAttributes; // size = 0x1A typedef struct { /* 0x0 */ u32 heapSize; /* 0x4 */ u32 initPoolSize; /* 0x8 */ u32 permanentPoolSize; } AudioContextInitSizes; // size = 0xC typedef struct { /* 0x00 */ f32 unk_00; /* 0x04 */ f32 unk_04; /* 0x08 */ f32 unk_08; /* 0x0C */ f32 unk_10; /* 0x10 */ f32 unk_14; /* 0x14 */ f32 unk_18; /* 0x18 */ u16 unk_0C; /* 0x1A */ u16 unk_1C; } unk_50_s; // size = 0x1C typedef struct { /* 0x000 */ unk_50_s unk_50[0x10]; /* 0x1C0 */ f32 volCur; /* 0x1C4 */ f32 volTarget; /* 0x1C8 */ f32 unk_08; /* 0x1CC */ u32 unk_14; /* 0x1D0 */ f32 unk_1C; /* 0x1D4 */ f32 unk_20; /* 0x1D8 */ f32 unk_24; /* 0x1DC */ u32 unk_2C[8]; /* 0x1FC */ u32 unk_25C; /* 0x200 */ u16 unk_0C; /* 0x202 */ u16 unk_18; /* 0x204 */ u16 unk_28; /* 0x206 */ u16 unk_250; /* 0x208 */ u16 unk_252; /* 0x20A */ u16 unk_254; /* 0x20C */ u16 unk_256; /* 0x20E */ u16 unk_258; /* 0x210 */ u8 unk_260; /* 0x211 */ u8 unk_261[0x1]; /* 0x212 */ u8 volScales[0x4]; /* 0x216 */ u8 volFadeTimer; /* 0x217 */ u8 fadeVolUpdate; /* 0x218 */ u8 unk_4C; /* 0x219 */ u8 unk_4D; /* 0x21A */ u8 unk_4E; /* 0x21B */ u8 unk_21B; // New to MM } unk_D_8016E750; // size = 0x21C typedef struct { /* 0x0 */ u8 unk_0; /* 0x1 */ u8 unk_1; // importance? } Struct_8016E320; // size = 0x02 typedef enum { /* 0 */ BANK_PLAYER, /* 1 */ BANK_ITEM, /* 2 */ BANK_ENV, /* 3 */ BANK_ENEMY, /* 4 */ BANK_SYSTEM, /* 5 */ BANK_OCARINA, /* 6 */ BANK_VOICE } SoundBankTypes; typedef enum { /* 0 */ SFX_STATE_EMPTY, /* 1 */ SFX_STATE_QUEUED, /* 2 */ SFX_STATE_READY, /* 3 */ SFX_STATE_PLAYING_REFRESH, /* 4 */ SFX_STATE_PLAYING_1, /* 5 */ SFX_STATE_PLAYING_2 } SfxState; typedef struct { /* 0x00 */ f32* posX; /* 0x04 */ f32* posY; /* 0x08 */ f32* posZ; /* 0x0C */ f32* freqScale; /* 0x10 */ f32* vol; /* 0x14 */ s8* reverbAdd; /* 0x18 */ f32 dist; /* 0x1C */ u32 priority; // lower is more prioritized /* 0x20 */ u16 sfxParams; /* 0x22 */ u16 sfxId; /* 0x25 */ u8 sfxFlags; /* 0x24 */ u8 sfxImportance; /* 0x26 */ u8 state; // uses SfxState enum /* 0x27 */ u8 freshness; /* 0x28 */ u8 prev; /* 0x29 */ u8 next; /* 0x2A */ u8 channelIdx; /* 0x2B */ u8 unk_2F; /* 0x2C */ u8 token; } SfxBankEntry; // size = 0x30 /* * SFX IDs * * index 0000000111111111 observed in audio code * & 200 0000001000000000 single bit * & 400 0000010000000000 single bit * & 800 0000100000000000 single bit, what we currently call SFX_FLAG * & 600 0000011000000000 2 bits * & A00 0000101000000000 2 bits * & C00 0000110000000000 2 bits, observed in audio code * & E00 0000111000000000 all 3 bits * bank 1111000000000000 observed in audio code */ #define SFX_BANK_SHIFT(sfxId) (((sfxId) >> 12) & 0xFF) #define SFX_BANK_MASK(sfxId) ((sfxId) & 0xF000) #define SFX_INDEX(sfxId) ((sfxId) & 0x03FF) #define SFX_BANK(sfxId) SFX_BANK_SHIFT(SFX_BANK_MASK(sfxId)) typedef struct { /* 0x0 */ u32 priority; // lower is more prioritized /* 0x4 */ u8 entryIndex; } ActiveSfx; // size = 0x08 typedef struct { /* 0x0 */ u8 importance; /* 0x1 */ u8 flags; /* 0x2 */ u16 params; } SfxParams; // size = 0x4 typedef struct { /* 0x00 */ u16 sfxId; /* 0x02 */ u8 token; /* 0x04 */ s8* reverbAdd; /* 0x08 */ Vec3f* pos; /* 0x0C */ f32* freqScale; /* 0x10 */ f32* vol; } SoundRequest; // size = 0x14 /** * Note: * Flag for resolving C_RIGHT and C_LEFT only being two semitones apart * 0x40 - BTN_Z is pressed to lower note by a semitone * 0x80 - BTN_R is pressed to raise note by a semitone */ typedef struct { /* 0x0 */ u8 noteIdx; /* 0x2 */ u16 length; // number of frames the note is sustained /* 0x4 */ u8 volume; /* 0x5 */ u8 vibrato; /* 0x6 */ s8 bend; /* 0x7 */ u8 BFlat4Flag; // BFlat4Flag See note above } OcarinaNote; // size = 0x8 typedef struct { /* 0x0 */ u8 numButtons; /* 0x1 */ u8 buttonIdx[8]; } OcarinaSongButtons; // size = 0x9 typedef struct { /* 0x0 */ u8 buttonIdx; /* 0x1 */ u8 state; /* 0x2 */ u8 pos; } OcarinaStaff; // size = 0x3 #endif